On Wednesday 24 August 2005 03:59, Shaohua Li wrote:
> On Wed, 2005-08-24 at 03:52 +0200, Andi Kleen wrote:
> > Shaohua Li <[email protected]> writes:
> > > x86-64 has resume support. It uses 'on_each_cpu' in resume method,
> > > which is known broken. We'd better fix it.
> >
> > What is broken with it?
>
> It's a sysdev. The resume method is invoked with interrupt disabled.
But only local interrupt disabled, no?
Hmm - didn't we have a WARN_ON(irqs_disabled()) in smp_call_function().
Anyways, it'll probably still work for now because the system should
be synchronized at this point.
-Andi
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